Finding the Fourth Proportional to 237,443,518.13, 356,123,389.05 and 91,757,308.55

Step by Step Solution

1. Step 1: Write the proportion equation
   237,443,518.13 : 356,123,389.05 = 91,757,308.55 : x
2. Step 2: Convert to fraction form
   237,443,518.13/356,123,389.05 = 91,757,308.55/x
3. Step 3: Cross multiply
   237,443,518.13x = 356,123,389.05 × 91,757,308.55
4. Step 4: Simplify right side
   237,443,518.13x = 32,676,923,689,151,928
5. Step 5: Solve for x
   x = 32,676,923,689,151,928/237,443,518.13
6. Step 6: Final answer
   x = 137,619,775.63